Builder is a free Android application developed by RahmApps in the category of Business & Productivity. This app is designed to assist users in calculating the building materials needed to construct a house. With Builder, users can easily determine the amount of concrete and mortar required to build a wall. Additionally, the app allows users to calculate the number of bricks needed for a wall based on its height and width. Builder also provides a feature to calculate the number of reinforcement bars and their necessary length for a post. Furthermore, users can conveniently determine the number of frames and languors needed. The app provides a comprehensive summary of the total number of bars, frames, and bricks required for the construction project.

Overall, Builder is a valuable tool for anyone involved in the construction industry or planning to build a house. It simplifies the process of estimating building materials, making it easier to plan and budget for construction projects.